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Glossary of Sewer Terms and Definitions

 

Click on a letter to jump to that section of the glossary.

 

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I

Industrial discharge
Quantity of waste from industrial process.

Industrial vacuum trucks
see "vacuum trucks"

Industrial wastewater
Waste water or liquid from industrial processing.

Infiltration
Groundwater that penetrates the sewer system via pipe defects.

Infiltration flooding
Flooding that enters homes via cracks in basement walls and floors.

Inflow
Excess surface water entering sewer pipes.

Influent
Liquid, water, wastewater entering a basin or reservoir water treatment plant.

Inspection television equipment
A camera system designed to inspect hard to reach areas, such as sewer pipes. Also called "cctv", "sewer inspection camera", "sewer camera", "sewer video inspection".

Interceptor sewer
Large diameter sewer pipes that collect flows from smaller pipes and transports sewage to the treatment plant.

Invert
The bottom of a conduit or pipeline or manhole.
 

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J

Jet vac
see "combination sewer cleaner"

Jetter hose
High pressure hose mounted on a water pressure cleaning machine and sewer nozzles on the other end.

Joints
The connecting points between two sewer pipes.



K

Kite
A tool to mechanically clean sewer lines. Similar to an airport windsock, the kite increases the velocity of the water flow at its outlet to clean material ahead of it.



L

Lateral clean out
An opening near the building sewer lateral, giving access for clean out of sewer line.

Laterals sewer
see "building sewer"

Leaching
Water transporting pesticide through the soil.

Lineal feet
A straight line measurement such as the length of pipe in a sewer system.

 

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M

Manhole
The access point to a sewer or drain system.

Manhole section
see "sewer section"

Mechanical cleaning
Equipment that cleans pipes such as hand rods, power rodders, and bucket machines.

MGD
millions of gallons per day.
 

N

NESHTA
NATIONAL ENVIRONMENTAL, SAFETY & HEALTH TRAINING ASSOCIATION.

NETA
National Environmental Training Association.

Non-systemic
Pesticide that only effects the surface of roots, does not transport throughout the root system.

Nonpoint source
Runoff, such as rainwater or similar source, opposed to flows from a pipe.

 

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O

OSHA
Occupational Safety and Health Act of 1970.

OSHA HAZCOM standard
Is the full disclosure and dissemination to employees of hazardous substances and training to manage.

Overland flooding
Floodwaters that flow over private and public property and enters buildings through vents, doors, and windows.

Overland flow
Flow of water over natural or artificial surfaces evenly distributed, before it enters drainage points.


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